Full spectrum hemp oil contains many cannabinoids (including CBD) and terpenes. All these natural plant chemicals work together to give the most potent effect with the fewest side effects. These CBD rich oils (also known as cannabis extracts or infusions) can be ingested in many ways to get them into the body. The most com mon method is sublingual oil droplets that are absorbed through the mouth but can also be swallowed. The oil can also be applied directly to the skin or other mucous membranes for absorption